import Vue from 'vue'
import VueRouter from 'vue-router'
// import Login from '../components/login.vue'
// import Home from '../components/home.vue'
// import WelCome from '../components/WelCome.vue'
const Login = () => import( /* webpackChunkName: "Login-Home-WelCome" */ '../components/login.vue')
const Home = () => import( /* webpackChunkName: "Login-Home-WelCome" */ '../components/home.vue')
const WelCome = () => import( /* webpackChunkName: "Login-Home-WelCome" */ '../components/WelCome.vue')

// import Users from '../components/user/Users.vue'
// import Rights from '../components/power/Rights.vue'
// import Roles from '../components/power/Roles.vue'
const Users = () => import( /* webpackChunkName: "Users-Rights-Roles" */ '../components/user/Users.vue')
const Rights = () => import( /* webpackChunkName: "Users-Rights-Roles" */ '../components/power/Rights.vue')
const Roles = () => import( /* webpackChunkName: "Users-Rights-Roles" */ '../components/power/Roles.vue')

// import Cate from '../components/goods/Cate.vue'
// import Params from '../components/goods/Params.vue'
const Cate = () => import( /* webpackChunkName: "Cate-Params" */ '../components/goods/Cate.vue')
const Params = () => import( /* webpackChunkName: "Cate-Params" */ '../components/goods/Params.vue')

// import List from '../components/goods/List.vue'
// import Add from '../components/goods/Add.vue'
const List = () => import( /* webpackChunkName: "List-Add" */ '../components/goods/List.vue')
const Add = () => import( /* webpackChunkName: "List-Add" */ '../components/goods/Add.vue')

// import Order from '../components/order/Order.vue'
// import Report from '../components/report/Report.vue'
const Order = () => import( /* webpackChunkName: "Order-Report" */ '../components/order/Order.vue')
const Report = () => import( /* webpackChunkName: "Order-Report" */ '../components/report/Report.vue')
Vue.use(VueRouter)

const router = new VueRouter({
  routes: [{
    path: '/',
    redirect: '/login'
  }, {
    path: '/login',
    component: Login
  }, {
    path: '/home',
    component: Home,
    redirect: '/welcome',
    children: [{
      path: '/welcome',
      component: WelCome
    }, {
      path: '/users',
      component: Users
    }, {
      path: '/roles',
      component: Roles
    }, {
      path: '/rights',
      component: Rights
    }, {
      path: '/goods',
      component: List
    }, {
      path: '/goods/add',
      component: Add
    }, {
      path: '/params',
      component: Params
    }, {
      path: '/categories',
      component: Cate
    }, {
      path: '/orders',
      component: Order
    }, {
      path: '/reports',
      component: Report
    }, ]
  }]
})
// 挂载路由导航守卫
router.beforeEach((to, from, next) => {
  // to将要访问的路径
  // from代表从哪个路径跳转而来
  // next是一个函数,表示放行
  // next()放行  next('/login')强制跳转
  if (to.path === '/login') return next();
  const tokenStr = window.sessionStorage.getItem('token');
  if (!tokenStr) return next('/login');
  next()
})
export default router
